WO2002060523A3 - Atrial fibrillation rf treatment device and method - Google Patents

Atrial fibrillation rf treatment device and method Download PDF

Info

Publication number
WO2002060523A3
WO2002060523A3 PCT/US2001/048776 US0148776W WO02060523A3 WO 2002060523 A3 WO2002060523 A3 WO 2002060523A3 US 0148776 W US0148776 W US 0148776W WO 02060523 A3 WO02060523 A3 WO 02060523A3
Authority
WO
WIPO (PCT)
Prior art keywords
heart
treatment device
tissue
atrial fibrillation
transmural lesion
Prior art date
Application number
PCT/US2001/048776
Other languages
French (fr)
Other versions
WO2002060523A2 (en
WO2002060523A9 (en
Inventor
Tony R Brown
Hein Nguyen
Suresh Wadhwani
Octavio V Adame
Michael D Laufer
Original Assignee
Tony R Brown
Hein Nguyen
Suresh Wadhwani
Octavio V Adame
Michael D Laufer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tony R Brown, Hein Nguyen, Suresh Wadhwani, Octavio V Adame, Michael D Laufer filed Critical Tony R Brown
Priority to AU2002248196A priority Critical patent/AU2002248196A1/en
Priority to EP01997075A priority patent/EP1349510A4/en
Publication of WO2002060523A2 publication Critical patent/WO2002060523A2/en
Publication of WO2002060523A9 publication Critical patent/WO2002060523A9/en
Publication of WO2002060523A3 publication Critical patent/WO2002060523A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1477—Needle-like probes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/06—Electrodes for high-frequency therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0225—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument for clamping tissue, e.g. forceps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1425—Needle
    • A61B2018/143—Needle multiple needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1475—Electrodes retractable in or deployable from a housing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy

Abstract

A radiofrequency treatment device of the present invention includes one or two radio frequency electrode holders (42) each having multiple electrodes (44) arranged to create a transmural lesion through tissue. The treatment device is placed with one holder (42) on the endocardial surface of the heart and the other optional holder placed on the epicardial surface of the heart to form a bipolar arrangement of equally spaced parallel tissue penetrating electrodes. The invention creates a transmural lesion in heart tissue to treat atrial fibrillation by blocking passage of abnormal electrical currents through the heart tissue. The devices may also be used to apply other types of energy, including cryo, ultrasound, microwave, heat, or other electrical means of providing an interruption in abnormal electrical circuits.
PCT/US2001/048776 2000-12-15 2001-12-17 Atrial fibrillation rf treatment device and method WO2002060523A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002248196A AU2002248196A1 (en) 2000-12-15 2001-12-17 Atrial fibrillation rf treatment device and method
EP01997075A EP1349510A4 (en) 2000-12-15 2001-12-17 Atrial fibrillation rf treatment device and method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25624500P 2000-12-15 2000-12-15
US60/256,245 2000-12-15
US28779801P 2001-04-30 2001-04-30
US60/287,798 2001-04-30

Publications (3)

Publication Number Publication Date
WO2002060523A2 WO2002060523A2 (en) 2002-08-08
WO2002060523A9 WO2002060523A9 (en) 2002-11-28
WO2002060523A3 true WO2002060523A3 (en) 2003-05-08

Family

ID=26945224

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/048776 WO2002060523A2 (en) 2000-12-15 2001-12-17 Atrial fibrillation rf treatment device and method

Country Status (4)

Country Link
US (1) US6723092B2 (en)
EP (1) EP1349510A4 (en)
AU (1) AU2002248196A1 (en)
WO (1) WO2002060523A2 (en)

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WO2002060523A9 (en) 2002-11-28

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